Environment & Science

Lehigh Valley Space Fest, brought to the region by two NASA Solar System Ambassadors, was held May 6-7, 2023 at Paxinosa Elementary School in Easton.

A team of Emmaus High School students placed first in the Lehigh County Conservation District’s Envirothon the last week of April.

No, those weren’t UFOs spotted over the Lehigh Valley on Thursday night. Starlink internet satellites orbiting Earth were visible to skywatchers in the area.

WLVR’s Brad Klein speaks with Environment & Science Reporter, Molly Bilinski about her work reporting on the Lehigh Gap Nature Center in Slatington.

Easton's branch of the American Association of University Women is holding its annual Girls Recognition Night Thursday at the Nurture Nature Center. Seventh graders from Easton, Wilson, Nazareth and Bangor area middle schools will be honored.

American shad populations, once plentiful in the Lehigh River, have dwindled. Officials and fishermen point to ineffective fish ladders at the Easton and Chain dams.

Neither snow, nor sleet, nor hail. There's frozen precipitation in the Lehigh Valley forecast on Wednesday — it's called graupel.

The Easton Environmental Advisory Council on Tuesday unanimously voted to send a letter to city council and Lafayette College outlining their concerns after more than 40 trees were cleared.

Borough council on Monday night heard a presentation on options to mitigate PFAS in its residential drinking supply. None of the proposals are cheap.

On Sunday, a counterclockwise-spinning low pressure system was moving up the coast. The Lehigh Valley was on the western side of the low, which meant heavy rainfall.

Lehigh Valley Breathes is behind schedule from the course established in August 2023. Here's what officials have learned so far — and how they plan to proceed.

The Lehigh Valley has been reshaped by a massive wave of development, both in industrial and residential, that has swept over the region the last three decades. While the development boom may be slowing, the impacts to the region’s economy and the environment are clear. (First of 5 parts)

After temperatures that felt more like October than August last week, forecasters say the Lehigh Valley will return to summer in a big way this week. Near-record heat is expected Wednesday.

The planets Jupiter and Mars will share a small patch of the eastern sky with the crescent moon, and the star Aldebaran on August 27. Here's how to see it.

A renewable natural gas plant adjacent to the Bethlehem Landfill opened on Tuesday morning.

“We have cooler air coming in," Lehigh Valley meteorologist Bobby Martrich said in his latest update. "Cooler air and refreshing air coming in for the next several days.” How far will temperatures fall?

More than 5 inches of rain was reported to have fallen in parts of the Lehigh Valley on Sunday, according to official data from the National Weather Service.

The free exhibit, “America’s Beautiful,” at Lehigh Gap Nature Center runs from Aug. 21 to Aug. 29. It includes 50 watercolor paintings of Smokey Bear.

More than eight months after announcing a $600 million price tag over the next decade to upgrade aging water and wastewater treatment infrastructure, the Lehigh County Authority is reaching out to major industrial users.

A full moon is on display the evening of Monday, August 19. The full moon of each month has one or more traditional names, and the August full moon is known as ‘the Sturgeon Moon.’

Swaths of the Lehigh Valley were inundated by heavy rainfall on Sunday, leading to flash floods and prompting water rescues. Some areas received nearly 5 inches of rain, with a secondary front set to bring more on Monday.

A flash flood warning is in effect for parts of Lehigh and Northampton counties until 11:30 p.m. It follows a line of severe thunderstorms and a flood watch that will be in effect until 2 a.m. Monday.